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ptured tortoise (Zoöl.), a common North American wood tortoise (Glyptemys insculpta). The shell is marked with strong grooving and ridges which resemble sculptured figures.

An order of gastropod Mollusca having a heart with two auricles and one ventricle. The shell may be either spiral or shieldlike.

Having the gills protected by a shieldlike shell; of or pertaining to the Scutibranchiata. -- n.

Any large marine univalve shell of the genus Triton. See Triton.

A wing shell (Avicula).

Any species of ear-shaped shells of the genus Haliotis. See Abalone.

The name used by the Algonquin Indians for the shell beads which passed among the Indians as money.

litude; as, the semblance of worth; semblance of virtue. Only semblances or imitations of shells. Woodward.

The bone or shell of cuttlefish. See Illust. under Cuttlefish.

Of or pertaining to a septum or septa, as of a coral or a shell.

Divided by partition or partitions; having septa; as, a septate pod or shell.

One of the transverse partitions dividing the shell of a mollusk, or of a rhizopod, into several chambers. See Illust. under Nautilus.

A fossil serpula shell.

A rough-barked species of hickory (Carya alba), its nut. Called also shellbark. See Hickory.

A shell or husk; a cod or pod. "The green shales of a bean." Chapman.

A piece or fragment of an earthen vessel, or a like brittle substance, as the shell of an egg or snail. Shak. The precious dish Broke into shards of beauty on the board. E. Arnold.

To take the husks or pods off from; to shell; to empty of its contents, as a husk or a pod. [Obs. or Prov.Eng. & Scot.] Jamieson. That's a shealed peascod. Shak.

The outer husk, pod, or shell, as of oats, pease, etc.; sheal; shell. [Obs. or Prov. Eng. & Scot.]

To let fall; to throw off, as a natural covering of hair, feathers, shell; to cast; as, fowls shed their feathers; serpents shed their skins; trees shed leaves.

A crab in the act of casting its shell, or immediately afterwards while still soft; -- applied especially to the edible crabs, which are most prized while in this state.